<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script type="text/javascript">
			var sum = 0;
			for (var i=1; i<=100;i++) {
				sum=sum+i;
				// sum+=i;
			}
			console.log(sum);
		</script>
	</head>
	<body>
	</body>
</html>
